SHEET /m/isotretinoin · PubChem CID 5282379 · CAS 4759-48-2 · REV 2026.07
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Isotretinoin
from sourceC20H28O2 · 300.4 g/mol
cis-RA · cis-retinoic acid · retinoic acid · Accutane
What is Isotretinoin?
A vitamin A derivative sold as Accutane, used for severe acne. It is the strictly regulated cousin of the retinoids in skin creams. from source
CategoryPrescription medicine
Chemical familyCarboxylic Acids
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Fig. 1 · 2D structure RDKit
SMILES
CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C\C(=O)O)/C)/CWhere you'll find it
Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.
Toxicity & hazards
DangerIrritantHealth hazardEnvironmentalH315, H319, H335, H360, H400, H410from source
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Where Isotretinoin leads
Relatedcomputed
Tretinoin100% similarBoth carry a carboxylic acid group.β-Carotene80% similarRetinal77% similarNo functional group in common: Retinal carries an aldehyde group, while Isotretinoin carries a carboxylic acid group.11-cis retinal77% similarNo functional group in common: 11-cis retinal carries an aldehyde group, while Isotretinoin carries a carboxylic acid group.Retinol70% similarNo functional group in common: Retinol carries an alcohol group, while Isotretinoin carries a carboxylic acid group.β-Ionone62% similarNo functional group in common: β-Ionone carries a ketone group, while Isotretinoin carries a carboxylic acid group.